Received: 12 June 2019
Accepted: 22 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: Ethical approval was sought out from the Ministry of Health research ethics and protocol review committee in Asmara, Eritrea. Medical directors of ONRH, Pediatric department and the SNCU were briefed on the objectives of the study and written consent was obtained.
: Not applicable.
: The authors declare that they have not competing interests.